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MARCH UK

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General

  • Sow tender bedding plants and vegetables (see below) in a heated propagator or in trays on a warm windowsill.
     
  • Select seeds and buy from  Dobies   Suttons Seeds   Thompson & Morgan
     
  • Order and prepare raised beds for growing vegetables and flowers from Harrod Horticultural.
     
  • Plant perennial herbs such as marjoram, mint, rosemary and sage.
     
  • Lift and divide congested clumps of perennials.
     
  • Plant out bulbs grown for indoor use which have finished flowering.
     
  • Prune tender climbers and wall shrubs if they show strong growth.
     
  • Remove winter protection from containers later in the month when the risk of hard frost has gone, and top-dress or replant overgrown or pot-bound plants adding a slow-release fertiliser.
     
  • Cut off dead flower spikes from summer-flowering heathers and prune young tree heathers.
     
  • Apply a spring fertiliser to established lawns once they are actively growing and cut grass when it is about 8 cm (3 in) high.
     
  • Prune spring-flowering shrubs over three years old as they finish flowering. Sow and plant out vegetables including beetroot,broad beans, carrots, celeriac, kohlrabi, onions, peas, spinach, swedes and turnips.
     
  • Sow seeds of tomatoes in a heated propagator or on a warm windowsill to grow on outdoors when all danger of frost is over.
     
  • Mulch beds and borders while the soil is moist to reduce the need for watering and to keep down weeds.
     
  • Sow green manures - phacelia, buckwheat, red clover, lupins, mustard, winter tares and trefoil.

Greenhouse

  • Sow seeds:-
    • tomatoes
    • bedding plants such as African marigolds, petunias, lobelia and antirrhinums.
    • begonias and pelargoniums.
    • quick-growing perennials.
       
  • Sow hardy annuals in a cold frame or unheated greenhouse.
     
  • Make sure pots and seed trays with plants and seedlings in the greenhouse do not dry out.

Vegetable Garden

  • Sow broad beans, onions, peas, lettuce, cabbage, spinach, parsley, carrots, parsnips, radishes and spring onions.
     
  • Sprout maincrop potatoes and plant sprouted tubers of early varieties.
     
  • Plant asparagus, Jerusalem artichokes, onion sets and garlic.
     
  • Make the first outdoor sowings of culinary and salad herbs.

Fruit Garden

  • Finish pruning and planting fruit bushes such as autumn-fruiting raspberries.
     
  • Graft apples and pears.
     
  • Continue greasebands until end of the month.
     
  • Cover ground under pear trees with carpet mulch to prevent pear midges.
     
  • If frosty, protect blossom with sacks or fleece.
     
  • Inspect raspberry canes for signs of raspberry moth and other pests and diseases.
     
  • Prune plum trees once they have started growing.

Flower Garden


Books on Gardening in Spring

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(c) Compiled by B V & T M Wood.

 

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